public void SetScore(GameObject gameObject)
    {
        switch (gameObject.tag)
        {
        case "Player":
            if ((score - 100) < 0)
            {
                score = 0;
            }
            else
            {
                score -= 100;
            }
            break;

        case "Enemy":
            score += 30;
            enemyMatrix.oneEnemyDown(gameObject);
            break;
        }
        UpdateScore();
    }